<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
				
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
			  // 请求参数对象
			    queryObj: {
			      // 查询关键词
			      query: '',
			      // 商品分类Id
			      cid: '',
			      // 页码值
			      pagenum: 1,
			      // 每页显示多少条数据
			      pagesize: 10
			    },
				 // 商品列表的数据
				goodsList: [],
				// 总数量，用来实现分页
				total: 0,
				//节流阀
				isloading:false
				  
			};
		},
		onLoad(options) {
			// 将页面参数转存到 this.queryObj 对象中
			this.queryObj.query=options.query||''
			this.queryObj.cid=options.cid||''
			
			this.getGoodsList()
			
		},
		methods:{
				//获取商品列表数据的方法
			async getGoodsList(cb){
				cb&&cb()
				//打开节流阀
				this.isloading=true
				const {data: res}=await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
				//关闭节流阀
				this.isloading=false
				if(res.meta.status !==200) return uni.$showMsg()
				this.goodsList=[...this.goodsList,...res.message.goods]
				this.total=res.message.total
				
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:'/subpkg/goods_detail/goods_detail?goods_id='+goods.goods_id
				})
			}
		},
		// 触底的事件
		onReachBottom() {
			if(this.queryObj.pagenum*this.queryObj.pagesize>=this.total) return uni.$showMsg('数据加载完毕！')
			if(this.isloading) return 
		  // 让页码值自增 +1
		    this.queryObj.pagenum += 1
		  // 重新获取列表数据
		    this.getGoodsList()
		},
		onPullDownRefresh() {
			//重置关键数据
			this.queryObj.pagenum=1
			this.total=0
			this.isloading=false
			this.goodsList=[]
			
			//重新发起数据请求
			this.getGoodsList(()=>uni.stopPullDownRefresh())
			
			
		}
	}
</script>

<style lang="scss">
	.goods-item{
		display: flex;
		padding:10px 5px;
		border-bottom: 1px solid #f0f0f0;
		.goods-item-left{
			padding-right: 5px;
			
			
			.goods-pic{
				width: 100px;
				height: 100px;
				display: block;

			}
		}
		.goods-item-right{
			display: flex;
			flex-direction: column;
			justify-content: space-between;
			
			
			.goods-name{
				font-size: 13px;
				
			}
			.goods-info-box{
				.goods-price{
					font-size: 13px;
					color: #C00000;
				}
			}
		}
	}

</style>
